He came back late, _____ which time all the guesses had already left.

______ you I owe a thousand apologies ______ having doubted your ability.

—What led to his success ?—He succeed _____ working hard .

--- Is there any possibility of the film _______ in Berlin International Festival? --- Not in the least, because the audience generally think little of it.

Don’t jump to conclusions so quickly. You’d better hear me     . I am not speaking for myself, but     behalf of all my colleagues.